JP2000255674A - Packaging shock absorbing member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a material expenditure and a machining expenditure for a packaging shock-absorbing member in such a degree as one in which a shock absorbing performance is not deteriorated. SOLUTION: There is provided a packaging shock absorbing member made of corrugated paper for holding a packaged item having some outward protruding protrusion structures within an outer box of hexahedron under its shock- absorbing state at one end of a quadrangular prism-like barrel, wherein it has an upper surface 7 supported on an inner bottom surface of the outer box spaced apart by at least two opposite directed raises side walls 5 and a rectangular insertion part 8 for inserting the barrel part of the packaged item is curved and formed at the central part of the upper surface 7. An inner wall 9 having substantially the same raised size as that of raised sidewall 5 is constituted by curving and forming the insertion part 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging made of corrugated cardboard for holding a package having a projecting structure projecting outward at one end of a rectangular cylindrical body in a hexahedral outer box in a buffered state. More particularly, the present invention relates to a cushioning member suitable for a ventilation fan having a rectangular tubular wind tunnel and a suction grill protruding outward at one end of the wind tunnel.

[0002]

2. Description of the Related Art As such a cushioning member for packaging, for example, there is a cushioning member for ventilation fan packaging disclosed in Japanese Utility Model Publication No. 8-2156. This cushioning member is basically composed of one rectangular corrugated cardboard sheet, has a cross-shaped bottom surface and a U-shaped opposing receiving surface, and each receiving surface is formed on both sides above the bottom surface by rising with a step. The structure supported by is adopted. The ventilation fan has its wind tunnel inserted between opposing receiving surfaces, each receiving surface receiving the back surface of the suction grille, and is housed and packaged in a corrugated cardboard box together with a cushioning member.

[0003]

In the conventional cushioning member for packaging as described above, the receiving surface is supported by a rising edge having a step inside and outside, so that the suction grill can be firmly received, and the ventilation fan, the outer box and Although an effective space surrounding the ventilation fan is formed between the two, a superior air buffering function is achieved, but the structure is complicated, the production cost is high, and many materials are required.
In addition, even when assembling, the bending ruled line for mountain fold and the bent ruled line for valley fold are present in several places, which is troublesome. If there are a number of bent ruled lines for mountain fold and a number of bent ruled lines for valley fold, the productivity will be reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a material and a processing cost for a cushioning member for packaging within a range that does not impair the cushioning performance. And to improve manufacturability and assemblability.

[0005]

According to a first aspect of the present invention, there is provided a package having a hexahedron outer box having a projecting structure projecting outward at one end of a rectangular cylindrical body. A cushioning member made of corrugated cardboard which is held in a buffered state inside has an upper surface which is supported at least on the inner bottom surface of the outer box by opposed rising side walls in two directions. Means is employed in which a rectangular insertion portion into which the body of the package is inserted is formed by bending, and by forming the insertion portion by bending, an inner wall having substantially the same size as the rising side wall is formed around the insertion portion.

In order to achieve the above object, a second aspect of the present invention relates to the above-mentioned means, wherein the inner wall adjacent to each other has a gap diverging toward the inner bottom surface of the outer box. Means for forming a portion is adopted.

According to a third aspect of the present invention, in order to achieve the above object, a predetermined width is set to a notch which becomes an end face of an adjacent inner wall by bending the insertion portion before bending in the means according to the second aspect. The means to do is adopted.

In order to achieve the above object, a fourth aspect of the present invention is to provide the above means according to any one of the first to third aspects, wherein a lower end portion of the inner wall is provided with a receiving surface which is in contact with the inner bottom surface of the outer box. A means for bending is employed.

In order to achieve the above object, a fifth aspect of the present invention is to form an uneven portion having the opposite unevenness at an opposing position of an opposing rising side wall in the means according to any one of the first to fourth aspects. The means to do is adopted.

In order to achieve the above object, the invention according to claim 6 is arranged such that the upper surface of the means according to any one of claims 1 to 4 receives the back surface of the overhanging structure of the article to be packaged. The means to do is adopted.

[0011]

Embodiments of the present invention will now be described with reference to the drawings. Embodiment 1 FIG. In the first embodiment shown in FIGS. 1 to 4, a packaged object 3 having a projecting structure 2 projecting outward at one end side of a rectangular cylindrical body 1 is provided in an outer box 4 made of a hexahedral corrugated cardboard. The present invention relates to a cushioning member for packaging made of corrugated cardboard which is held in a buffered state. This packaging cushioning member
It has an upper surface 7 which is supported at least on the inner bottom surface 6 of the outer box 4 by the opposed rising walls 5 in two directions, and a rectangular insertion for inserting the body 1 of the article 3 into the center of the upper surface 7. The portion 8 is formed in a substantially portal shape formed by bending. The upstanding side walls 5 are provided with an interval closely fitted to the opposing inner surfaces of the outer box 4 and perform a guiding function and a positioning function when inserted into the outer box 4. The insertion portion 8 is in a flat state before being bent, and is bent and bent downward to form an inner wall 9 having substantially the same size as the rising side wall 5 on four sides thereof.

In the present embodiment, the vertical dimension of the inner wall 9 is set slightly longer than the vertical dimension of the rising side wall 5, and the free ends of the lower end edges of the body 1 inserted into the insertion portion 8 respectively correspond to the vertical dimensions. It is configured to touch. With this configuration, a buffer space 10 is formed around the body 1 of the insertion portion 8, and the shock from the side surface can be absorbed by the buffer space 10.

The cushioning member for packaging is assembled from a single rectangular cardboard sheet 11 in a developed shape as shown in FIG. The corrugated cardboard sheet 11 has rising sidewalls 5 at both ends in the long side direction by bending ruled lines 12 which are bent in a mountain fold.
Is defined. The portion between the bending ruled lines 12 becomes the upper surface 7, and four bent ruled lines 12 to be mountain-folded in the center thereof.
Defines a rectangular insertion portion 8. Small holes 13 are punched out at the intersections of the four bending ruled lines 12 to facilitate bending. The insertion portion 8 is cut into an X shape along a diagonal line 1
4, and the center portion thereof is punched into a square, so that four inner side walls 9 having a trapezoidal shape are formed. The direction of the corrugated corrugated paper corrugated paper is oriented along the long side indicated by the arrow in FIG. Also, reference numeral 1 in the figure
Reference numeral 5 denotes a hole for inserting an electric cord when the packaged object 3 is a ventilation fan.

The corrugated cardboard sheet 11 is placed on each of the bent ruled lines 1.
2 can be assembled into a portal-type packaging cushioning member as shown in FIG. In packaging, the raised side wall 5 is bent and formed into an outer box 4.
After pushing up to the position where the lower end of the rising side wall 5 comes into contact with the inner bottom surface 6 of the outer box 4, the object 3 is pushed into the center of the insertion section 8 from the end of the body 1. Inner wall 9
Is bent at the bending ruled line 12, and the inner wall 9 and the insertion portion 8 are formed simultaneously. That is, the insertion portion 8 having the corner portion formed by the gap 16 diverging toward the inner bottom surface 6 of the outer box 4 is formed. Thereafter, when the lid of the outer box 4 is closed and sealed, the packaging is completed as shown in FIG. 1 and the packaging is completed.

The packaging cushioning member holds the package 3 so as not to move in the lateral direction in the outer box 4 and performs a cushioning protection function against an impact from the side. Around the buffer space 10 which functions as an air buffer.
Is doubled, and the rising side wall 5 is provided in a direction perpendicular to the direction of the strong eye on the upper surface 7, so that the necessary cushioning performance can be obtained even with a simple configuration. The corrugated cardboard sheet 11 has a configuration in which the material can be used almost without waste, the material cost is small, and since all the bent ruled lines 12 are mountain-folded, the manufacturability, assemblability, and recyclability are good. As for the assemblability, as shown in FIG. 4, by making the cut 14 tapered toward the small hole 13, the contact resistance between the adjacent inner side walls 9 at the time of bending is eliminated, and the bending habit is reduced. It is easy to assemble even without attaching.

Embodiment 2 This embodiment shown in FIGS. 5 to 7 also relates to the same cushioning member for packaging as in the first embodiment, and the basic configuration is the same as that of the first embodiment. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

This packing cushioning member is designed to be able to cope with an article to be packaged 3 whose mass is slightly large or whose body 1 end is vulnerable to impact. That is, as shown in FIGS. 5 and 6, the receiving surface 1 which is in contact with the inner bottom surface 6 of the outer box 4
7 is formed by bending. This packaging cushioning member
A corrugated cardboard sheet 18 as shown in FIG. 7 without the punched portion at the center of the corrugated cardboard sheet 11 shown in FIG. 3 can be used. When the receiving surface 17 is bent inward as shown in FIG. 6, there is a portion where a valley fold is formed. However, since it can be easily bent, it is not always necessary to provide an inverted ruled line. With this configuration, the end of the body 1 is buffer-protected on the receiving surface 17,
It becomes possible to cope with the package 3 whose mass is slightly larger or whose body 1 end is vulnerable to impact. Even if the receiving surface 17 is bent outward, the resistance by the receiving surface 17 can be applied to the inner wall 9 and the buffer protection function against the buffer from the side is improved.
Other functions and advantages are the same as those of the first embodiment.

Embodiment 3 The present embodiment shown in FIGS. 8 and 9 also relates to a cushioning member for packaging similar to that of the first embodiment, and has the same basic configuration as that of the first embodiment. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

The cushioning member for packaging according to the present embodiment is suitable for an object 3 to be packaged having a small mass, and is a further simplified version of the cushioning member for packaging described in the first embodiment. In the unfolded corrugated cardboard sheet 19, the direction of the corrugate is set to the direction along the short side as shown by the arrow in FIG. The center of this corrugated cardboard sheet 19 is punched into an H shape, and the bending ruled lines 12 form two inner side walls 9 along the short sides, respectively.
By folding each bending ruled line 12 into a mountain fold, a gate-shaped packaging cushioning member as shown in FIG. 8 is obtained. Each bending rule 12
Since they are all along the direction of the corrugated eyes, they are easy to bend and easy to assemble, and the cost can be kept low. In the package 3 having a small mass, such a simple cushioning member for packaging can fulfill a buffering protection function. Note that the receiving surface 17 shown in the second embodiment may be formed on each of the two inner side walls 9.

Embodiment 4 This embodiment shown in FIGS. 10 and 11 also relates to a cushioning member for packaging similar to that of the first embodiment, and has the same basic configuration as that of the first embodiment. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

In the packaging cushioning member as shown in the first embodiment, the rising side wall 5 does not necessarily apply a load to the upper surface 7, so that the strength in the vertical direction does not need to be so high. In the present embodiment, the packaging cushion member is formed by forming the concave and convex portions having the concave and convex portions opposite to each other at the opposing position of the opposing rising side wall 5. The expanded shape of the cushioning member for packaging is, as in a corrugated cardboard sheet 20 shown in FIG. 10, one of the rising side walls 5 constituted by two flaps 21 having a large width and the other constituted by three flaps 22 having a small width. It is a deformed rectangle. Corrugated cardboard sheet 2 of such a developed shape
As shown in FIG. 11, the material is continuously removed without waste by taking the continuous flaps 21 and 22 as the rising side walls 5 alternately with respect to one continuous corrugated cardboard sheet 23 as shown in FIG. The corrugated cardboard sheet 20 can be punched out in a continuous manner.
If the width of 3 is twice as large as that of FIG. 11, four corrugated cardboard sheets 20 can be obtained at one time, and the processing cost is reduced to 1/4 of the conventional one. In addition, the small amount of materials works effectively in recycling. Other functions and advantages are the same as those of the first embodiment. In addition, the receiving surface 17 of the second embodiment may be formed on the cushioning member for packaging of the fourth embodiment.

Embodiment 5 This embodiment shown in FIG. 12 also relates to a cushioning member for packaging similar to that of the first embodiment, and the basic configuration is the same as that of the first embodiment. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted.

The cushioning member for packaging according to the present embodiment is obtained by devising the structure shown in the first embodiment to enhance the effectiveness against a drop impact. That is, the rising dimension of both the rising side wall 5 and the inner side wall 9 is increased, and
Is configured to receive the rear surface of the overhang structure 2.
By adopting this configuration, the upper surface 7 supported by both the rising side wall 5 and the inner side wall 9 can receive a drop impact or a compressive load, and the buffer protection function is improved. In addition, the receiving surface 17 of the second embodiment may be formed on the cushioning member for packaging of the fifth embodiment.

[0024]

According to the first aspect of the present invention, the material cost and processing cost of the cushioning member for packaging can be reduced within a range that does not affect the cushioning performance.

According to the second aspect of the present invention, the manufacturability is improved together with the effect according to the first aspect.

According to the third aspect of the present invention, assemblability is improved together with the effect according to the second aspect.

According to the fourth aspect of the present invention, the buffering performance is improved together with the effect according to any one of the first to third aspects.

According to the fifth aspect of the present invention, the productivity according to any one of the first to fourth aspects is improved, and the material cost can be reduced.

According to the invention of claim 6, in addition to the effect according to any one of claims 1 to 4, the cushioning performance against a compressive load is improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a packaging cushioning member according to a first embodiment in a packaging form.

FIG. 2 is a perspective view showing the assembled cushioning member of Embodiment 1 in an assembled state.

FIG. 3 is a plan view showing the packaging cushioning member of the first embodiment in an expanded form.

FIG. 4 is a plan view showing another expanded cushioning member of the first embodiment in an expanded form.

FIG. 5 is a cross-sectional view illustrating a packaging cushioning member according to a second embodiment in a packaging form.

FIG. 6 is a perspective view showing the cushioning member for packaging according to the second embodiment in an assembled state.

FIG. 7 is a plan view showing a cushioning member for packaging according to a second embodiment in an expanded form.

FIG. 8 is a perspective view showing an assembled state of the cushioning member for packaging according to the third embodiment.

FIG. 9 is a plan view showing the cushioning member for packaging according to the third embodiment in an expanded form.

FIG. 10 is a plan view showing the packaging cushioning member of the fourth embodiment in an expanded form.

FIG. 11 is a plan view illustrating an example of material removal of a packaging cushioning member according to a fourth embodiment.

FIG. 12 is a sectional view showing a packaging cushioning member according to a fifth embodiment in a packaging form.

[Explanation of symbols]

1 body, 2 overhang structure, 3 wrapped object, 4
Outer box, 5 rising side wall, 6 inner bottom surface, 7 upper surface,
8 insertion part, 9 inner side wall, 17 receiving surface, 21 flaps, 22 flaps.

Claims (6)

[Claims] 1. A packaging cushioning member made of corrugated cardboard for holding an article to be packaged having a projecting structure projecting outward at one end side of a rectangular cylindrical body in a buffered state in a hexahedral outer box. Has an upper surface supported at least on the inner bottom surface of the outer box by opposing rising walls in two directions, and at the center of the upper surface, a rectangular insertion portion for inserting a body portion of the packaged object is bent. A packaging cushioning member formed and formed by bending the insertion portion to form an inner wall around the insertion portion having substantially the same standing dimension as the rising side wall. 2. The packaging cushioning member according to claim 1, wherein adjacent inner side walls form an insertion corner of an insertion portion having a divergent gap toward an inner bottom surface of the outer box. Cushioning member for packaging. 3. The cushioning member for packaging according to claim 2, wherein a predetermined width is set in a notch serving as an end face of an adjacent inner wall by bending the insertion portion before bending. 4. The cushioning member for packaging according to claim 1, wherein a receiving surface which contacts an inner bottom surface of the outer box is formed at a lower end portion of the inner side wall. Element. 5. The packaging cushioning member according to claim 1, wherein the packaging cushioning member has concave and convex portions having irregularities opposite to each other at opposing positions of opposing rising side walls. 6. The cushioning member for packaging according to claim 1, wherein the cushioning member for packaging is configured to receive the back surface of the overhang structure of the article to be packaged by an upper surface.